solenoids
71Helmholtz coil — The term Helmholtz coils refers to a device for producing a region of nearly uniform magnetic field. It is named in honor of the German physicist Hermann von Helmholtz. Description A Helmholtz pair consists of two identical circular magneticcoils …
72Variable displacement — is an automobile engine technology that allows the engine displacement to change, usually by deactivating cylinders, for improved fuel economy. The technology is primarily used in large, multi cylinder engines. Many automobile manufacturers have… …
73MHD generator — Energy portal The MHD (magnetohydrodynamic) generator or dynamo transforms thermal energy or kinetic energy directly into electricity. MHD generators are different from traditional electric generators in that they can operate at high tempera …
74Electromagnetic shielding — cages inside a disassembled mobile phone. Electromagnetic shielding is the process of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive and/or magnetic materials. Shielding is typically applied… …
75Regulator (automatic control) — In automatic control, a regulator is a device which has the function of maintaining a designated characteristic. It performs the activity of managing or maintaining a range of values in a machine. The measurable property of a device is managed… …
76Smart Parts — It is a manufacturer of paintball markers and accessories based in Latrobe, PA. Their popular line of markers include the Shocker , Impulse , Nerve , Epiphany , SP 8 ,Sp 1, Vibe, and the Ion . The re designed Shocker has become very popular and… …
77Hardpoint — A hardpoint is any part of an airframe designed to carry an external load. This technical description includes mountings for engines, but most commonly the word is used to refer to the points on the wings of military aircraft where external… …
78Electronic lock — A quick demonstration of an electronic door lock An electronic lock (more precisely an electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand alone with an electronic control assembly… …
79Helicon Double Layer Thruster — The Helicon Double Layer Thruster is a prototype spacecraft propulsion engine. It was created by Australian scientist Dr. Christine Charles, based on a technology invented by Professor Rod Boswell, both of the Australian National University.The… …
80Worksop Priory — Parish church name = Worksop Priory caption = Worksop Priory dedication = St. Mary and St. Cuthbert denomination = Church of England tradition = Anglo Catholic parish = deanery = archdeaconry = diocese = Southwell and Nottingham province = York… …
